1870-7203 1870-7203 S1870-72032018000400380 Mexico México 00 12 2018 00 12 2018 16 4 380 381 1 2004 75-7 2 2011 3 4 4 235-40 3 2007 59 3 3 171-2 4 2006 8 2 2 53-6 5 2004 140 5 5 519-24 6 2016 16 1 1 4-5 7 2013 8